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Finding the Fourth Proportional to 250,181.46, 375,295.26 and 81,702.67

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Solution

The fourth proportional to 250,181.46, 375,295.26 and 81,702.67 is: 122,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,181.46 : 375,295.26 = 81,702.67 : x
  2. Step 2: Convert to fraction form
    250,181.46/375,295.26 = 81,702.67/x
  3. Step 3: Cross multiply
    250,181.46x = 375,295.26 × 81,702.67
  4. Step 4: Simplify right side
    250,181.46x = 30,662,623,842.11
  5. Step 5: Solve for x
    x = 30,662,623,842.11/250,181.46
  6. Step 6: Final answer
    x = 122,561.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.